Electrical fixture



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www@ M. GQETT ELECTRICAL FIX-TURB Filed Sept. 50. 1920 i y.; ,g /7 /63 //Z l j f/s Eg 5 Y l IN VEN TOR.

l BY

ATT EY.

Patented June 2e, 1923.

miren STATES 'PATENT OFFICE.

MONROE-GUETT, OF HARTFORD CONNECTICUT, ASSIGNOR TO THE HART & HEGEMAN MANUFACTURING COMPANY, OF HARTFORD, CONNECTICUT, A CORPORATION OF CONNECTICUT.

ELECTRICAL rIx'rUEE.

Application filed September 30, 1920. Serial No. 413,763. i

To all whom 'it may concern.'

Be it known that I, MONROE GUETT, a citi- Een of the United States, residing at Hartford, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Electrical Fixtures, of which the following is a specification. A

This invention relates to what might be y broadly considered an electrical V fixture.` While not restricted in this regard, the fixliers in conjunction with which the fixture is of particular advantage. A fan 'vor any other proper electrical appliance may be' used with equal advantage.

At the present time there is in use an electrical fixture of plug and receptacle character. The receptacle of this old fixture contains the terminals to which the feed wires are electrically connected and usually in this old article the only mechanical connection between the two elements of the-xture is an electrical one. That is to say in the 'old structure the electrical means is utilized to mechanically connect the parts. `One of the primary aims of my invention is to provide for the mechanical connection of the two elementsy of the fixture, by means separate and distinct or certainly mechanically independent of the electrical connection. There are a number ofways within the scope of the invention by which this important result can be obtained. v y

In the drawings accompanying and forming part of the present Specification, I have shown in detail one of the several advantherefrom in many and radical respects within the scope of the invention defined by the claims following said description.

Referring to said drawings;

Flgure 1 is a sectional side elevation of an electrical fixture involving` the invention, the section being on the line 1- 1 of Fig. 2.

2 is a bottom face view of the fixture.

Fig. 3 is a transverse section on the line 3 3 of Fig. 2. f l

Like characters refer to like parts throughout the Lseveral views.

As I have'already noted the electrical lfixture may take any one of several forms. In that relation which I have selected for illustration it is in the form of a plug and a receptacle,comprising a receptacle member as 2 yand a plug member as-3. The receptacle member 2 might be considered as constituting the main or stationary member or element of the structure, while the plug member might be considered as the auxiliary or removable member of such a structure. It

is conceivable that the two members of the fixture need not essentially be of receptacle and plug type although such parts do possess their advantages.

The receptacle member 2 involves in its7 .construction a face. plate as 4 and which `fact that these means might take various vforms although studs, diametrically opposite each other have been found especially ad- Avantageous for the purpose, the studs being carried upon one of the members ofthe fix.- ture and engaging catch means on the other. These studs andl the co-operating catch means as will beA understood, may take different forms, one of the'many being shown. In this case the studs'desirably diametrically opposite, are rigid on the plug as I will more particularly hereinafter explain', while the catch means is desirably upon the receptacle 2. The catch means4 which (5o-operates with the studs is also movable.

The plug 3 comprises an insulating body 6 against the under side of which the circular plate or disk 7 is fitted, the studs 8, of

which there are two, diametrically opposite each other, extending through the disk -7v and being headed a alnst the under surface of the disk to hold t e plate or disk in position and to also maintain the studs in place.

\ The heads 9 of the studs fit against the inner and as shown be externally threaded to be fceive operative portions of a locker.

mechanically. .connected with lthe fixture. The plug member 3 has fastened to it the prongs 12 held in place for instance by for connecting Ywires mechanically and elec- -trically to two prongs. When these prongs are electrically' connected to the mechanism in the box or housing 5 the electric appl1- ance mechanically connected with the tube 11, will be in electrical connection with suchl mechanism in the housing.

The heads 9 of the diametrically opposite studs 8 as shown, have notches as 14 to rAes will be understood this locker might be any one of several forms, the washer or plate 15 answering however satisfactorily in this connection. The lock washer or plate 15 is capable of rotary movement as I will hereinafter describe, and it is held in position by thedisk or plate 16 superimposed upon it and having a downturned peripheral or circumferential flange 17 abutting against the upper surface of the face plate 4 as shown best in Fi 1. The disk or plate 16 alsohas the centr han or lip 16 constituting a pivot or journa for the locker or washer 15. The disk or plate 16 supportsJthe box or housing 5 and the latter being .mechanically connected with the face plate 4, it vis clear thatl the box or housing holds the disk `or plate 16 in position so that the latter can act as a casing or housing for the lockerv 15. Asshown the face plate 4 has a central cir. cular opening 18 and into this opening the centra'lvboss 19 of the box or housing 5 extends,-the lower surface of the boss and the v face plate 4 being flush or practically` in the same plane with each other. The face plate k4 and the central boss 18 as shown have openings as 20 which when the locker 15 is in ineffective position, are adapted to recei've the studs 8 at which time the studs can be thrust .into said openings v20 until they bottom therein at which time the insulating body 6 will'fit iatwise substantially against the face plate 4. The -locker orv washer 15 hason its. innerside. the notches or recesses 21 which when the locker is in its inoperative position register with these openings 20 so Lthat the parts of the `fixture may 'at this time be separablyconnected.

When'they 'are connected at which time the studs 8bottom in the openings 20, the locker will be moved to its effective position and when it is, the uncut portion of the inner side of the locker will be pushed into the notches 14. This motion of the locker can be brought about in any desirable way. For the purposel I have shown the stud 22 rotatively itted in an opening in the face plate 4 and having means such as the slot 23 to receive'a screw-driver or similar instrument by which it may be turned to impart Work-4 ing or opposite movements to said stud.` As

shown the locker 15 has in it the slot 24 to receive the crank 25 on the rotary stud 22.

` Through the rotation of this stud the locker screws 1 3, these screws constituting a means 15 can be either advanced or retracted.

It will'be assumed that the'locker or circular washer 15 is in its ineffective position at which point the notches or recesses 21 on the inner side thereof are in register with the openings 20. This permits the insertion of the heads 9 of the studs' 8 into the openings 20, the outer sides of the heads passing through the notches or recesses. When the parts are connected they will be locked in such relation by the turning of the locker 15 through the action for instance of a screwdriver, the edge of which is introducedv into the slot 23 thus turning the stud 22 and causing the crank 25 to shoot the locker 15 and cause its solid inner side to be projected -into the twoA notches 14 to hold the parts positively and" substantially in solid rela'- tion. To free the plug member the stud 22 will be turned in the opposite direction thereby withdrawing the locker 15 from the notches 14 so that the plu member 3 can be when the members are connected and which is broken by the separation of `the members, the plug having diametrically opposite notchedv rigid heads, the receptacle having a .Y

rotary internallyf notched rin Whclrwhen the notchesvthereof register wltli said openings, permits the separation or connection of the plug and the receptacle, and cam means for turning the ring to cause the solid part' thereof to enter the notches of the studs when the members are connected.

2. An electrical fixture comprising a receptacle and a yplug attachably associated therewith and provided withy means for securing an electrical lconnection therebetween when the members are connected andv which is broken by the separation of the members, the plug having diametrically opposite notched heads and the receptacle having openings to receive said heads, the receptacle 1,460,060- -1 n v ma also having a rotary internally notched ring ceptacle and the plug members are conwhich when the notches thereof register with nected. f

said openin permits the separation for connection of t e plug and the receptacle and a v l MONROE GUETT. 5 manually 'operablev camon the receptacle to Wtnesses: l

turn said ring to cause the solid part thereof C. F. HAMMAN to enter the notches 'of the studs when the re- A. J BENNE'rr.

In testimony whereof Ilax'my signature.v 10 I 

